Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
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recall how to pair bases to form rna in each image below, the dna antis…
The third image (with the sequence UAGCU) shows the correct RNA molecule being formed.
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what is the best replacement for the underlined word below: the males, …
B. leechlike
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select the correct answer. which parasite is transmitted through the fe…
C. Giardia
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what is the equation for cellular respiration? sugar (glucose) + carbon…
D. sugar (glucose) + oxygen → carbon dioxide + water + ATP ### Second Question (Short Answer)
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select the correct answer. typically, how are large animals such as cow…
D. They eat toxic plants or weeds present in their pastures.
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select the correct answer a fly carrying salmonella bacteria on its leg…
C. vector
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8. if a cell has 12 chromosomes before mitosis, how many will each daug…
8. b) 12 9. c) M 10. a) It dissolves 11. c) Anaphase 12. b) Organize spindle fibers 13. a) Telophase 14. a) They pull chromatids apart 15. b) Tumors 16. b) Resting or not dividing…
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 9 10 which represen…
UGGCUCGAA
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drag each tile to the correct box. not all tiles will be used. place th…
1. white-footed mouse 2. blacklegged ticks 3. human
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 9 time proteins are…
RNA copies DNA and transports it to ribosomes for protein synthesis.
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 which structural ch…
a single strand
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part a: multiple choice (1 point each) circle the correct answer. 1. th…
1. B. Repair and replace damaged cells 2. B. S 3. C. Interphase 4. B. Line up at the cell's equator 5. B. Spindle fiber 6. A. Divides the cytoplasm 7. A. G1, S, and G2 make up int…
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 9 10 what did charg…
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 9 10 what did charg…
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
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select the correct answer. jim wants to know how heartworms are transmi…
B. by mosquitoes
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dna and rna structure quiz complete 1 2 3 4 5 6 which of the following …
ribose + phosphate group + uracil
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dna and rna structure quiz complete 1 2 3 4 5 which base is found only …
uracil
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hitlers traditional plan to eliminate jews and others is known as. • a …
A. The Holocaust ### Second Question (The international organization...):
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dna and rna structure quiz complete 1 2 3 4 5 6 7 8 9 10 which discover…
identification of ribose and deoxyribose
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dna and rna structure quiz complete 1 where is the dna located in a euk…
nucleus
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10. what moves into or out of a substance during a change of state? * 1…
Thermal energy
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dna and rna structure assignment active reviewing types of rna read the…
mRNA carries the genetic code from DNA to ribosomes (template for protein synthesis). tRNA brings amino acids to ribosomes (anticodon pairs with mRNA codon for correct amino - aci…
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based on their scientific name, you know that african bish elephants, o…
D. genus
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the extract of which gymnosperm seed is used to help improve memory? ep…
C. ginkgo
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which could best be described as dazzling? the sun a hawk the moon a to…
the sun the outgoing tide
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3. which of the following is a function of the external and middle ear?…
Conducting sound waves through the ear
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how is light energy different than sound energy?*light energy moves slo…
1. Light energy is what you see and sound energy is what you hear. 2. vibrations 3. alarm clock
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10. the momentum of a system is conserved only when... a. no internal f…
d. no net external force acting on the system. ### Question 11
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chromosomes line up single file at the middle of the cell * 1 poin prop…
B. metaphase
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sister chromatids separate, spindle fibers shorten pulling chromatids t…
C. anaphase
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physics unit 3: momentum unit 3 test (45 points) name: hour: true/false…
True #### 2. Impulse is defined as the force exerted on an object times the time that the force lasts.
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copied dna condenses into chromosomes, nucleolus disappears, nuclear me…
A. prophase
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1. momentum is defined as an objects mass times its velocity. 2. impuls…
d. then all of the above are true. ### Question 7
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part b if disease greatly reduces the rabbit population, how would this…
Energy flow to snakes and hawks would decrease.
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based on the data, what happens to energy as it moves from producers to…
Energy decreases at higher trophic levels.
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3 which of the following people has found the right career path by comb…
B. Rodrigo does well in math. In his free time he takes computers apart and puts them back together. He also enjoys playing baseball. He wants to be a computer technician
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bill nye the science guy: respiration 1. in your upper body there is a …
down; expand ### Question 3
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which organelle contains digestive enzymes? golgi apparatus ribosome ly…
Lysosome
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11 multiple choice 1 point the cytoskeleton provides: enzymes for diges…
Structure and movement
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10 multiple choice 1 point which cellular junction is most similar to p…
Gap junctions
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9 multiple choice 1 point what is the main function of centrosomes? pro…
Microtubule organization for cell division
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8 multiple choice 1 point what is the primary function of the smooth en…
Lipid synthesis and detoxification
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6 multiple choice 1 point the plasma membrane is primarily composed of:…
Lipid bilayer with embedded proteins
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5 multiple choice 1 point which structure provides rigidity and support…
Cell wall
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2 multiple choice 1 point which of the following structures is found in…
Plasma (cell) membrane
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1 multiple choice 1 point which statement about prokaryotes and eukaryo…
Both have DNA and ribosomes
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place the steps of mitosis in the correct order (4 points) - prophase→c…
prophase → metaphase → anaphase → telophase
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what is the cheapest way for college students to call home? a. a phone …
A. A phone card
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all of the following are excellent tips for preparing for standardized …
C. Don't worry about preparing for pretests.
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across: 4. the way of life, including customs, arts, and beliefs, of a …
To solve the crossword, we analyze each clue: ### Across: 1. **Clue**: The way of life, including customs, arts, and beliefs, of a particular group of people. - Length: Let's assu…
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how does the development of the characters in paragraphs 3 and 4 help t…
A. Christopher's internal thoughts set up the action by revealing his concerns.
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across: 4. the way of life, including customs, arts, and beliefs, of a …
To solve the crossword, we analyze each clue: ### Across: 1. **A celebration or event with music, food, and fun activities** → *Festival* (length? Let's check other clues. Wait, m…
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the two strands in the dna backbone run in ____________ directions to e…
anti-parallel
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complementary base pairing (a always binds to c, g always binds to t) i…
FALSE
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dna polymerase can only build a strand in the 3 to 5 direction. a true …
b. FALSE
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is the enzyme that can attach together, the dna strands, with double st…
b. DNA ligase
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who used x - ray diffraction to analyze the structure of dna? a erwin c…
c. Rosalind Franklin
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dna is the enzyme that builds a new complementary dna strand during rep…
polymerase
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in normal dna base - pairing, a pyrimidine base always compliments a ba…
purine
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during replication, the strand is synthesized in short segments known a…
lagging
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complete the sentence using one of the following words: dna helicase, p…
Primase
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what makes up a nucleotide? a a sugar b a phosphate group c a nitrogen …
d. All of the above
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which of the following statements is true about the relationship betwee…
A. Alcoholism is strongly tied to genetics, and children of alcoholics are more likely to become alcoholics themselves
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a century ride by grace e. denison from outing, volume xxiii, issue 1, …
dying of thirst
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multiple choice questions question #1 what are the three parts that mak…
Question #1: B. A sugar called ribose, a molecule called adenine, and a chain of three phosphate groups. Question #2: C. ATP can be recharged by adding a phosphate group back to A…
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atp review 1. list the name and number of each molecule forming atp: 2.…
1. 1 adenine, 1 ribose, 3 phosphate groups 2. (a) ATP has 3, ADP has 2 (b) Both have 1 (c) Both have 1 (d) ATP has more 3. Energy and a phosphate group 4. Energy (assuming typo: A…
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read the excerpt from \a century ride\it seemed to coax her, to whisper…
lonely
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4) what do we need to figure out to better understand how our body bala…
We need to figure out the hormonal mechanisms (e.g., ADH, aldosterone), the role of organs (e.g., kidneys, hypothalamus), and the feedback loops involved in osmoregulation and sod…
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3. why are there multiple processes happening at once for maintaining b…
Multiple processes occur simultaneously to maintain body temperature (thermoregulation) because the body needs to respond to a wide range of internal and external conditions effic…
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match each element of a graphic novel with its description. speech ball…
speech balloon → a graphic element to show external dialogue panel → an individual frame on a page speech bubble → a graphic element to show internal thoughts gutter → white space…
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4. why does the destruction of insulin producing cells in the pancreas …
Insulin - producing cells (beta cells in the pancreas) secrete insulin. Insulin's role is to facilitate the uptake of glucose from the blood into cells (like muscle and fat cells)…
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3. why does glucose stay in the blood stream in someone who has diabete…
In diabetes, glucose stays in the bloodstream mainly because the body either doesn't produce enough insulin (in type 1 diabetes) or the cells become resistant to the insulin that …
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directions: use the diagram above and write \true\ or \false\ on the li…
False ### Question 19
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1. explain how the regulation of blood glucose levels is an example of …
The regulation of blood glucose is a negative feedback mechanism. After a meal, blood glucose rises. The pancreas secretes insulin, which signals cells to absorb glucose (lowering…
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when one part of an ecosystem changes, what happens as a result? only s…
B. Every living thing within the ecosystem is affected.
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every living thing within an ecosystem is... interconnected. a keystone…
A. interconnected.
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what is a disturbance? the process by which a community of living thing…
C. An event that changes a community by impacting the amount of organisms or resources
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what is biodiversity? a communitys capacity to maintain roughly the sam…
B. The variety of life on Earth or in a particular area
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warm-up active understanding the recent history of iran place the event…
1. The shah developed Western policies. 2. Citizens of Iran protested the government. 3. Ayatollah Khomeini came to power. 4. Traditional laws were reinstated.
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ecological stability in an ecosystem represents what within an individu…
A. Homeostasis
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part 2. match each part of the compound microscope on the left with its…
1. H 2. D 3. E 4. C 5. B 6. K 7. L 8. I 9. F 10. G 11. A 12. J
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which type of ecological succession is shown here? tertiary succession …
B. Primary succession
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what is dispersal? when any resource moves between ecosystems when ecol…
C. When one or more organisms move between ecosystems
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supply company, or it may be a wet mount that is made for temporary use…
A microscope is an instrument used to see objects that are too small to be seen by the naked eye. It uses lenses or a combination of optical, electron, or other imaging techniques…
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exit ticket: answer the following question: why is thermoregulation imp…
Thermoregulation is important for the body to maintain homeostasis because most biochemical reactions (especially those catalyzed by enzymes) and physiological processes (like cel…
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what does gatsby almost break during the first nervous moments of being…
The mantelpiece clock
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the earths four main spheres continuously interact to support life and …
B. biosphere, atmosphere
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read the excerpt from greta thunbergs speech at the united nations clim…
pathos, because the language used emphasizes the personal nature of the damage that the audience is causing
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the revolutionary war picked up quickly after the battles of lexington …
B. helped encourage support for American independence.
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r, despite the fact that the british lined up in a straight line toght …
A. British troops were vulnerable to attack by the hidden Minutemen.
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somehow, the rag - tag bunch of lexington minutemen werent able to kill…
A. British troops were vulnerable to attack by the hidden Minutemen.
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lo 7.1. where does sperm production occur? epididymis bulbourethral gla…
Seminiferous tubules within the testes
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practice it lo 7.1. what is the role of the ovaries in the female repro…
Producing and releasing eggs, and producing hormones such as estrogen and progesterone.
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lo 7.1. why is understanding the male and female reproductive systems i…
To make informed decisions about sexual health and address potential issues or concerns
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practice it lo 7.3. what is the function of eggs? to provide nutrients …
To provide nutrients and genetic material necessary for the growth and development of the embryo
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lo 7.1. what is the name of the female organ responsible for producing …
Ovaries
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lo 7.3. what are the cells lining the reproductive organs called? osteo…
Epithelial cells
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practice it lo 7.1. what is the primary male reproductive organ? epidid…
Testes
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practice it lo 7.3. what are the male reproductive cells called? ovary …
Sperm
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practice it lo 7.1. what is the process called when an egg is released …
Ovulation